/* 第一次进入页面的动画 */
.why-appear {
  transform: translateX(-105px);
}

.why-appear-active {
  transform: translateX(0px);
  transition: transform 2s ease;
}

.why-enter {
  opacity: 0;
}

.why-enter-active {
  opacity: 1;
  transition: opacity 2s ease;
}

.why-exit {
  opacity: 1;
}

.why-exit-active {
  opacity: 0;
  transition: opacity 2s ease;
}
